title: Persistent and selective deficiency of CD4+ T cell immunity to cytomegalovirus in immunocompetent young children.
mesh_terms: D000328:Adult; D000367:Age Factors; D015496:CD4-Positive T-Lymphocytes / Q000276:immunology* / Q000378:metabolism / Q000821:virology*; D023201:CD40 Ligand / Q000096:biosynthesis; D018414:CD8-Positive T-Lymphocytes / Q000276:immunology / Q000821:virology; D002675:Child, Preschool; D003587:Cytomegalovirus / Q000276:immunology*; D003586:Cytomegalovirus Infections / Q000276:immunology* / Q000821:virology; D005260:Female; D006801:Humans; D007111:Immunity, Cellular; D007156:Immunologic Memory; D007223:Infant; D007371:Interferon-gamma / Q000096:biosynthesis; D007376:Interleukin-2 / Q000037:antagonists & inhibitors / Q000096:biosynthesis; D018655:Lymphocyte Count; D008297:Male; D008875:Middle Aged; D054400:Receptors, CCR7; D019707:Receptors, Chemokine / Q000096:biosynthesis; D016176:T-Lymphocyte Subsets / Q000276:immunology / Q000378:metabolism / Q000821:virology; D018417:Th1 Cells / Q000276:immunology / Q000378:metabolism / Q000821:virology; D017201:Virus Shedding / Q000276:immunology
chemical_list: C515370:CCR7 protein, human; D007376:Interleukin-2; D054400:Receptors, CCR7; D019707:Receptors, Chemokine; D023201:CD40 Ligand; D007371:Interferon-gamma